Deviator strain energy; integral; conservation; stress intensity factor; mixed-mode crack; fracture criterion

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These formulas have been tested with several mediums and Langevin diamagnetic magnetic susceptibility of helium, and the results are in good agreement with the measured data.

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The result shows that the Particle-tracing Method is not only less diffusive, but also more conservative.

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We also give some conservation and convergence analysis for the Dirac equation and the Korteweg-de Vries equation.

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Inhomogeneous hyperbolic conservation law; viscosity solution; weak solution; entropy-entropy flux; maximum principle; Young measure; Dirac measure; compensated compectness

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This thesis is concerned with the structure and behaviors of the waves of global weak entropy solutions for an initial-boundary value problems of scalar conservation laws with weak discontinuous flux function.

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This makes more and more people pay more attention to studies and applications of numerical simulation in thermal recovery. In this research, we have developed a reliable mathematical model for thermal recovery, which takes a full consideration of the effect of viscos, gravitical and capillary forces on the three-phase flow of gas, water and oil, the effect of the temperature on the medium characteristics of liquid and solid, the phase equilibrium of gas-liquid in each component, heat transportation including connection, conduction and radiation as well as heat losses in both the overburn and underlying strata. In the space discreation of the mathematical model, we have proposed a new method based on the improvement of the conventional nine-points difference approximation, which has a higher difference accurancy.

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However, momentum is always conserved in a collision , whether or not the collision is elastic.

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Multiple blood samples were taken for measurement of the time course of the drug concentrations, and the electrocorticogram processed (approximate entropy, for propofol and methohexital and percentage high frequency time, for ketamine) to numerically quantify drug effect.

結(jié)果：使用藥代/藥效分析法得出的t1/2Keo：氯胺酮為2.0±0.4min，異丙酚為2.7±1.1min又黑又粗又长的欧美一区，而美索比托的t1/2Keo為0.3±0.1min明顯較前兩者縮短手机日韩精品资源站。藥代/藥效分析法和總體守恒分析法在藥物到達峰值的時間舉無明顯差異。

This paper researches a optical sensor and a new method for product oil identification and mixed oil distinguish and calculates the light intensity of the Fresnel reflection occurred at the interface between the product oil and a measuring probe. The product oil and oil mixtures are analyzed by using the principle of energy conservation and the inductor model of an electron cloud.

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